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Finding the Fourth Proportional to 440,441.94, 660,520.74 and 124,814.10

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Solution

The fourth proportional to 440,441.94, 660,520.74 and 124,814.10 is: 187,180.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,441.94 : 660,520.74 = 124,814.10 : x
  2. Step 2: Convert to fraction form
    440,441.94/660,520.74 = 124,814.10/x
  3. Step 3: Cross multiply
    440,441.94x = 660,520.74 × 124,814.10
  4. Step 4: Simplify right side
    440,441.94x = 82,442,301,694.43
  5. Step 5: Solve for x
    x = 82,442,301,694.43/440,441.94
  6. Step 6: Final answer
    x = 187,180.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.